string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E9%93%81%E5%8D%81%E4%B8%80%E5%B1%80%E6%8B%9B%E6%8A%95%E6%A0%87 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
中铁十一局招投标
